Remove topology 1.13 fallback logic once 1.13 is unsupported as a node version

[msau42]

We can do this in 1.16.
/assign

[msau42]

/kind cleanup

[fejta-bot]

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Mark the issue as fresh with /remove-lifecycle stale.
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/lifecycle stale

[pohly]

/remove-lifecycle stale

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[msau42]

/lifecycle frozen
Technically this is a breaking change, let's consider doing this when we need to do a major version bump